Quote:
Originally Posted by xXManwhoreXx
A bottle of injector cleaner and if that doesnt help time for a new cat. I would reccomend removing the after cat o2 sensor clip and see if that changes anything you will pop a code but it should run fine since actual afrs only come from the first o2 sensor pre cat
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I am thinking that either your new O2 sensor is bad or the one in the back is bad. I always change all of them at the same time, and with Bosch exact fit replacements.